{"id":2432,"date":"2026-04-27T03:28:42","date_gmt":"2026-04-27T03:28:42","guid":{"rendered":"https:\/\/www.sapphire-windows.com\/?p=2432"},"modified":"2026-04-27T03:28:49","modified_gmt":"2026-04-27T03:28:49","slug":"jake-zareni-muze-prochazet-safirovymi-okny","status":"publish","type":"post","link":"https:\/\/www.sapphire-windows.com\/cs\/what-radiation-can-pass-through-sapphire-windows\/","title":{"rendered":"Jak\u00e9 z\u00e1\u0159en\u00ed m\u016f\u017ee proch\u00e1zet saf\u00edrov\u00fdmi okny?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Saf\u00edr (monokrystal Al\u2082O\u2083) se d\u00edky sv\u00e9 v\u00fdjime\u010dn\u00e9 kombinaci mechanick\u00e9 pevnosti a optick\u00e9 pr\u016fhlednosti \u0161iroce pou\u017e\u00edv\u00e1 v optick\u00fdch syst\u00e9mech, leteck\u00fdch p\u0159\u00edstroj\u00edch, vysokotlak\u00fdch pr\u016fzorech a laserov\u00fdch za\u0159\u00edzen\u00edch. Jednou z jeho nejd\u016fle\u017eit\u011bj\u0161\u00edch vlastnost\u00ed je schopnost p\u0159en\u00e1\u0161et \u0161irokou \u0161k\u00e1lu elektromagnetick\u00e9ho z\u00e1\u0159en\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tento \u010dl\u00e1nek poskytuje v\u011bdecky podlo\u017een\u00e9 vysv\u011btlen\u00ed, kter\u00e9 typy z\u00e1\u0159en\u00ed mohou proch\u00e1zet saf\u00edrov\u00fdmi okny, spolu s fyzik\u00e1ln\u00edmi mechanismy, omezen\u00edmi a re\u00e1ln\u00fdmi technick\u00fdmi aspekty.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">1. Materi\u00e1ln\u00ed z\u00e1klad: Pro\u010d je saf\u00edr opticky pr\u016fhledn\u00fd<\/h1>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"597\" src=\"https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/04\/sapphire-windows-1-1024x597.jpg\" alt=\"\" class=\"wp-image-2433\" srcset=\"https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/04\/sapphire-windows-1-1024x597.jpg 1024w, https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/04\/sapphire-windows-1-300x175.jpg 300w, https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/04\/sapphire-windows-1-768x448.jpg 768w, https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/04\/sapphire-windows-1-18x10.jpg 18w, https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/04\/sapphire-windows-1-600x350.jpg 600w, https:\/\/www.sapphire-windows.com\/wp-content\/uploads\/2026\/04\/sapphire-windows-1.jpg 1060w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr je krystalick\u00e1 forma oxidu hlinit\u00e9ho (Al\u2082O\u2083) se \u0161irok\u00fdm elektronick\u00fdm p\u00e1smem (~9 eV). To je kl\u00ed\u010dov\u00fd d\u016fvod, pro\u010d je transparentn\u00ed v \u0161irok\u00e9m spektr\u00e1ln\u00edm rozsahu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jednodu\u0161e \u0159e\u010deno:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fotony s energi\u00ed pod p\u00e1smovou mezerou nejsou elektrony pohlcov\u00e1ny.<\/li>\n\n\n\n<li>To umo\u017e\u0148uje pr\u016fchod sv\u011btla (UV-viditeln\u00e9-IR) s n\u00edzk\u00fdmi ztr\u00e1tami.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u016fhlednost v\u0161ak nen\u00ed neomezen\u00e1 - z\u00e1vis\u00ed na vlnov\u00e9 d\u00e9lce, m\u0159\u00ed\u017ekov\u00fdch vibrac\u00edch a krystalov\u00fdch interakc\u00edch.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">2. Rozsah p\u0159enosu elektromagnetick\u00e9ho z\u00e1\u0159en\u00ed<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edrov\u00e1 okna jsou zn\u00e1m\u00e1 pro \u0161irokop\u00e1smov\u00fd optick\u00fd p\u0159enos, kter\u00fd obvykle pokr\u00fdv\u00e1:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.1 Ultrafialov\u00e9 (UV) z\u00e1\u0159en\u00ed<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rozsah p\u0159enosu: ~150 nm - 400 nm<\/li>\n\n\n\n<li>V\u00fdkonnost: Dobr\u00fd v bl\u00edzk\u00e9m UV z\u00e1\u0159en\u00ed, st\u0159edn\u00ed v hlubok\u00e9m UV z\u00e1\u0159en\u00ed<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Technick\u00fd v\u00fdznam:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>UV optick\u00e9 syst\u00e9my<\/li>\n\n\n\n<li>Plazmov\u00e1 pozorovac\u00ed okna<\/li>\n\n\n\n<li>Syst\u00e9my pro kontrolu polovodi\u010d\u016f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u26a0 Pozn\u00e1mka: Hlubok\u00e1 UV propustnost se sni\u017euje v d\u016fsledku zv\u00fd\u0161en\u00e9 elektronick\u00e9 absorpce v bl\u00edzkosti okraje p\u00e1su.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.2 Viditeln\u00e9 sv\u011btlo<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rozsah p\u0159enosu: ~400 nm - 700 nm<\/li>\n\n\n\n<li>V\u00fdkonnost: (&gt;85-90% s le\u0161t\u011bn\u00fdmi povrchy)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Aplikace:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Optick\u00e9 zobrazovac\u00ed syst\u00e9my<\/li>\n\n\n\n<li>Pr\u016fmyslov\u00e1 kontroln\u00ed okna<\/li>\n\n\n\n<li>Vizu\u00e1ln\u00ed pozorov\u00e1n\u00ed pod vysok\u00fdm tlakem<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Saf\u00edr se hojn\u011b pou\u017e\u00edv\u00e1 v n\u00e1ro\u010dn\u00fdch prost\u0159ed\u00edch, kde je vy\u017eadov\u00e1na pr\u016fhlednost i odolnost.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.3 Bl\u00edzk\u00e1 infra\u010derven\u00e1 oblast (NIR)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rozsah p\u0159enosu: ~700 nm - 3 \u00b5m<\/li>\n\n\n\n<li>V\u00fdkonnost: Velmi vysok\u00fd p\u0159enos<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Aplikace:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Laserov\u00e1 optika (nap\u0159. syst\u00e9my 1064 nm Nd:YAG)<\/li>\n\n\n\n<li>Vl\u00e1knov\u00e9 laserov\u00e9 syst\u00e9my<\/li>\n\n\n\n<li>IR sn\u00edm\u00e1n\u00ed a detekce<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tento rozsah je jednou z nejsiln\u011bj\u0161\u00edch optick\u00fdch p\u0159ednost\u00ed saf\u00edru.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.4 St\u0159edn\u00ed infra\u010derven\u00e1 oblast (MIR)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rozsah p\u0159enosu: ~3 \u00b5m - 5-5,5 \u00b5m<\/li>\n\n\n\n<li>V\u00fdkonnost: St\u0159edn\u00ed a\u017e dobr\u00e1, postupn\u011b se sni\u017euj\u00edc\u00ed<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Aplikace:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sn\u00edm\u00e1n\u00ed plynu<\/li>\n\n\n\n<li>Tepeln\u00e1 diagnostika<\/li>\n\n\n\n<li>Syst\u00e9my monitorov\u00e1n\u00ed spalov\u00e1n\u00ed<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nad ~5,5 \u00b5m se absorpce v\u00fdrazn\u011b zvy\u0161uje v d\u016fsledku vibra\u010dn\u00edch (fononov\u00fdch) efekt\u016f m\u0159\u00ed\u017eky.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">3. Z\u00e1\u0159en\u00ed, kter\u00e9 neproch\u00e1z\u00ed efektivn\u011b<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">3.1 Dlouhovlnn\u00e9 infra\u010derven\u00e9 z\u00e1\u0159en\u00ed (&gt;5,5 \u00b5m)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Siln\u00e1 absorpce v d\u016fsledku fononov\u00e9 rezonance<\/li>\n\n\n\n<li>Nevhodn\u00e9 pro termovizi v dlouhovlnn\u00fdch infra\u010derven\u00fdch p\u00e1smech<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"> Pro LWIR aplikace se up\u0159ednost\u0148uj\u00ed materi\u00e1ly jako ZnSe nebo germanium.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3.2 Rentgenov\u00e9 z\u00e1\u0159en\u00ed<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Saf\u00edr nen\u00ed ur\u010den jako rentgenov\u00e9 optick\u00e9 okno.<\/li>\n\n\n\n<li>Tenk\u00fd saf\u00edr m\u016f\u017ee umo\u017enit \u010d\u00e1ste\u010dn\u00fd p\u0159enos, ale:\n<ul class=\"wp-block-list\">\n<li>\u00fatlum je vysok\u00fd<\/li>\n\n\n\n<li>kvalita zobrazov\u00e1n\u00ed je \u0161patn\u00e1<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3.3 Gama z\u00e1\u0159en\u00ed a vysokoenergetick\u00e9 z\u00e1\u0159en\u00ed<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u016f\u017ee fyzicky proj\u00edt d\u00edky vysok\u00e9 penetra\u010dn\u00ed s\u00edle<\/li>\n\n\n\n<li>Saf\u00edr se v\u0161ak v tomto rozsahu nepou\u017e\u00edv\u00e1 jako st\u00edn\u00edc\u00ed nebo optick\u00e9 m\u00e9dium.<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">4. Fyzik\u00e1ln\u00ed mechanismy za limity p\u0159enosu<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Optick\u00e9 chov\u00e1n\u00ed saf\u00edru se \u0159\u00edd\u00ed:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4.1 Elektronick\u00e1 absorpce (UV limit)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>UV fotony excituj\u00ed elektrony p\u0159es p\u00e1sovou mezeru<\/li>\n\n\n\n<li>Definuje mezn\u00ed hodnotu kr\u00e1tk\u00e9 vlnov\u00e9 d\u00e9lky (praktick\u00e1 hranice ~ 150 nm).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4.2 Fononov\u00e1 absorpce (IR mez)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Infra\u010derven\u00e9 sv\u011btlo interaguje s vibracemi m\u0159\u00ed\u017eky<\/li>\n\n\n\n<li>Zp\u016fsobuje silnou absorpci za hranic\u00ed ~5,5 \u00b5m<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4.3 Rozptyl ne\u010distot a defekt\u016f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kysl\u00edkov\u00e9 pr\u00e1zdnoty, inkluze nebo po\u0161kozen\u00ed p\u0159i le\u0161t\u011bn\u00ed sni\u017euj\u00ed p\u0159enos.<\/li>\n\n\n\n<li>Kvalita povrchu siln\u011b ovliv\u0148uje UV v\u00fdkon<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">5. In\u017een\u00fdrsk\u00e9 \u00favahy v re\u00e1ln\u00e9m sv\u011bt\u011b<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">V praktick\u00fdch optick\u00fdch syst\u00e9mech nen\u00ed p\u0159enos ur\u010dov\u00e1n pouze fyzikou materi\u00e1lu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5.1 Kvalita povrchu<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Subnanometrov\u00e9 le\u0161t\u011bn\u00ed zlep\u0161uje propustnost UV z\u00e1\u0159en\u00ed<\/li>\n\n\n\n<li>\u0160kr\u00e1bance zp\u016fsobuj\u00ed ztr\u00e1ty rozptylem<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5.2 \u00da\u010dinky n\u00e1t\u011bru<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Antireflexn\u00ed (AR) povlaky mohou zv\u00fd\u0161it propustnost na &gt;95%.<\/li>\n\n\n\n<li>Povlaky jsou specifick\u00e9 pro vlnovou d\u00e9lku<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5.3 Vliv teploty<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vysok\u00e1 teplota m\u016f\u017ee m\u00edrn\u011b posunout absorp\u010dn\u00ed hrany<\/li>\n\n\n\n<li>Tepeln\u00e9 nam\u00e1h\u00e1n\u00ed m\u016f\u017ee vyvolat dvojlom.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5.4 Orientace krystal\u016f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Orientace osy C ovliv\u0148uje optickou rovnom\u011brnost a dvojlom<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">6. Souhrnn\u00e1 technick\u00e1 tabulka<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Typ z\u00e1\u0159en\u00ed<\/th><th>P\u0159enos p\u0159es Saf\u00edr<\/th><th>Pozn\u00e1mky<\/th><\/tr><\/thead><tbody><tr><td>Hlubok\u00e9 UV z\u00e1\u0159en\u00ed (150-200 nm)<\/td><td>\u010c\u00e1ste\u010dn\u011b<\/td><td>Sn\u00ed\u017een\u00e1 \u00fa\u010dinnost<\/td><\/tr><tr><td>T\u00e9m\u011b\u0159 UV z\u00e1\u0159en\u00ed<\/td><td>Dobr\u00fd<\/td><td>\u0160iroce pou\u017e\u00edvan\u00e9<\/td><\/tr><tr><td>Viditeln\u00e9 sv\u011btlo<\/td><td>Vynikaj\u00edc\u00ed<\/td><td>&gt;85-90%<\/td><\/tr><tr><td>Bl\u00edzk\u00e1 infra\u010derven\u00e1 oblast (0,7-3 \u00b5m)<\/td><td>Velmi dobr\u00e9<\/td><td>Laserov\u00e9 aplikace<\/td><\/tr><tr><td>St\u0159edn\u00ed infra\u010derven\u00e1 oblast (3-5,5 \u00b5m)<\/td><td>M\u00edrn\u00e1<\/td><td>Kles\u00e1 s vlnovou d\u00e9lkou<\/td><\/tr><tr><td>Dlouhovlnn\u00e9 infra\u010derven\u00e9 z\u00e1\u0159en\u00ed (&gt;5,5 \u00b5m)<\/td><td>\u0160patn\u00fd<\/td><td>Siln\u00e1 absorpce<\/td><\/tr><tr><td>Rentgenov\u00e9 sn\u00edmky<\/td><td>Omezen\u00e9<\/td><td>Nepraktick\u00e1 optika<\/td><\/tr><tr><td>Gama z\u00e1\u0159en\u00ed<\/td><td>Proj\u00edt<\/td><td>Nen\u00ed opticky u\u017eite\u010dn\u00e9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\">7. Z\u00e1v\u011br<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.sapphire-windows.com\/cs\/product-category\/sapphire-windows\/\">Saf\u00edrov\u00e1 okna<\/a> pat\u0159\u00ed k nejuniverz\u00e1ln\u011bj\u0161\u00edm dostupn\u00fdm optick\u00fdm materi\u00e1l\u016fm, kter\u00e9 jsou schopny p\u0159en\u00e1\u0161et z\u00e1\u0159en\u00ed od hlubok\u00e9ho ultrafialov\u00e9ho a\u017e po st\u0159edn\u00ed infra\u010derven\u00e9 spektrum. Jejich jedine\u010dn\u00e1 kombinace \u0161irok\u00e9ho p\u00e1sma, mechanick\u00e9 pevnosti a tepeln\u00e9 stability z nich \u010din\u00ed nepostradateln\u00e9 materi\u00e1ly pro n\u00e1ro\u010dn\u00e1 optick\u00e1 prost\u0159ed\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jejich v\u00fdkon je v\u0161ak z\u00e1sadn\u011b omezen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>elektronick\u00e1 absorpce v UV oblasti<\/li>\n\n\n\n<li>absorpce fonon\u016f v I\u010c oblasti<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V technick\u00fdch aplikac\u00edch se saf\u00edr nejl\u00e9pe hod\u00ed pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>UV-viditeln\u00e9-NIR optick\u00e9 syst\u00e9my<\/li>\n\n\n\n<li>Vysokotlak\u00e1 a vysokoteplotn\u00ed optick\u00e1 okna<\/li>\n\n\n\n<li>Laserov\u00e9 a leteck\u00e9 optick\u00e9 komponenty<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">8. Kl\u00ed\u010dov\u00fd z\u00e1v\u011br<\/h1>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Saf\u00edrov\u00e1 okna poskytuj\u00ed \u0161irokospektr\u00e1ln\u00ed optickou pr\u016fhlednost (150 nm - ~5,5 \u00b5m), co\u017e z nich \u010din\u00ed prvot\u0159\u00eddn\u00ed materi\u00e1l pro extr\u00e9mn\u00ed optick\u00e9 a environment\u00e1ln\u00ed podm\u00ednky, ale ne univerz\u00e1ln\u00ed \u0159e\u0161en\u00ed pro v\u0161echny typy z\u00e1\u0159en\u00ed.<\/p>\n<\/blockquote>","protected":false},"excerpt":{"rendered":"<p>Sapphire (single-crystal Al\u2082O\u2083) is widely used in optical systems, aerospace instruments, high-pressure viewports, and laser equipment due to its exceptional combination of mechanical strength and optical transparency. One of its most important properties is its ability to transmit a broad range of electromagnetic radiation. This article provides a scientifically grounded explanation of which types of 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